40JA17H

QD Bushed Sprocket

Item #100804080

2.975 in Outside Diameter

JA Bushing Series

+ Show More

Auto Replenish

each One-time purchase

Product Details

Hardened teeth on the smaller sprocket of a roller chain drive are recommended if the drive ratio is four to one or greater or if the smaller sprocket has 24 teeth or less and is running at a speed of over 600 rpm.

Tolerances meet or exceed ANSI standards
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Bores are concentric to pitch line, minimizing run out
Interchangeable with other manufacturers’ QD bushings
Stocked Heat Treat

Specifications

Outside Dia.	2.975 in
No. of Teeth	17
Hub Length	0.34 in
Width Across Teeth	0.284 in
Sprocket Style	B
Single Strand Tooth Thickness	0.284 in
Martin No.	40JA17H
Overall Length Less Threads	N/A
No. of Strands Across	1
Tooth Width	0.284 in
Bore Type	Bushed
Length Through Bore	0.625 in
Bushing Bore [Max]	1.25 in
Material	Steel
Chain Pitch	0.5 in
Screw Size	#10-24 UNC
Hardened Teeth	With Hardened Teeth
Chain No.	40
Overall Length	0.625 in
Outside Dia. [Min]	2.975 in
Type	B
Bushing Series	JA
Bushing Type	QD
Inch/Metric	Inch
Bushing Bore [Min]	0.5 in
Caliper Diameter	2.3975 in
Hub Dia.	2 1/8 in
Pitch Diameter	2.7211 in
Hub Projection	0.34 in
Weight	0.48 LB
EAN or UPC	697950041605